| Mingyao Yang | 504a690 | 2016-04-28 16:23:01 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2016 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #include "jni.h" |
| 18 | #include "mirror/class-inl.h" |
| 19 | #include "runtime.h" |
| 20 | #include "thread_list.h" |
| 21 | #include "thread_state.h" |
| 22 | #include "gc/gc_cause.h" |
| 23 | #include "gc/scoped_gc_critical_section.h" |
| 24 | |
| 25 | namespace art { |
| 26 | |
| 27 | extern "C" JNIEXPORT void JNICALL Java_Main_deoptimizeAll( |
| 28 | JNIEnv* env, |
| 29 | jclass cls ATTRIBUTE_UNUSED) { |
| 30 | ScopedObjectAccess soa(env); |
| 31 | ScopedThreadSuspension sts(Thread::Current(), kWaitingForDeoptimization); |
| 32 | gc::ScopedGCCriticalSection gcs(Thread::Current(), |
| 33 | gc::kGcCauseInstrumentation, |
| 34 | gc::kCollectorTypeInstrumentation); |
| 35 | // We need to suspend mutator threads first. |
| 36 | ScopedSuspendAll ssa(__FUNCTION__); |
| 37 | static bool first = true; |
| 38 | if (first) { |
| 39 | // We need to enable deoptimization once in order to call DeoptimizeEverything(). |
| 40 | Runtime::Current()->GetInstrumentation()->EnableDeoptimization(); |
| 41 | first = false; |
| 42 | } |
| 43 | Runtime::Current()->GetInstrumentation()->DeoptimizeEverything("test"); |
| 44 | } |
| 45 | |
| 46 | extern "C" JNIEXPORT void JNICALL Java_Main_undeoptimizeAll( |
| 47 | JNIEnv* env, |
| 48 | jclass cls ATTRIBUTE_UNUSED) { |
| 49 | ScopedObjectAccess soa(env); |
| 50 | ScopedThreadSuspension sts(Thread::Current(), kWaitingForDeoptimization); |
| 51 | gc::ScopedGCCriticalSection gcs(Thread::Current(), |
| 52 | gc::kGcCauseInstrumentation, |
| 53 | gc::kCollectorTypeInstrumentation); |
| 54 | // We need to suspend mutator threads first. |
| 55 | ScopedSuspendAll ssa(__FUNCTION__); |
| 56 | Runtime::Current()->GetInstrumentation()->UndeoptimizeEverything("test"); |
| 57 | } |
| 58 | |
| 59 | } // namespace art |